Today is Pi Day for 2026, the universal celebration of an amazing, mysterious, and irrational mathematical constant. What's that, you say? Why do we celebrate something that shows up in some of the ...

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Add Yahoo as a preferred source to see more of our stories on Google. Beyond the fact that March 14 works out to 3.14, the mathematical equivalent of pi (π), pizza restaurants big and small celebrate ...

While math was never my best subject in school (I’m a writer after all), it did give the world one thing: Pi Day. The day doesn’t celebrate the delicious baked good or even a slice of pizza. Instead, ...

WASHINGTON — Pi Day is more than just a holiday celebrating a mathematical constant; it's become an opportunity for pizzerias and bakeries to slice some customer discounts. The build-your-own pizza ...

Whether you prefer your pie sweet or savory, or just in decimal form, Pi Day 2026 features a lineup of deals from national chains offering free or discounted slices of the pie all day. Pi Day falls on ...

National Pi Day — which for many means pie day and food deals — is Saturday, March 14. Pi Day, every March 14, recognizes the “mathematical constant π” — that would be 3.14 (and endless numerals after ...

Saturday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to ...